CN221050663U - Off tracking detection device for conveying rubber belt pipe of pipe belt conveyor - Google Patents

Abstract

The utility model discloses a deviation detection device for a conveying adhesive tape pipe of a pipe belt conveyor, which relates to the technical field of deviation detection of pipe belt conveyors and comprises a deviation following assembly, a vision camera assembly and an automatic detection control assembly based on the torsion quantity of a chip, wherein the deviation following assembly is provided with a crease following ring and a driver, the crease following ring is rotatably arranged on a frame of the pipe belt conveyor and surrounds the periphery of the conveying adhesive tape pipe of the pipe belt conveyor to be detected, and the driver is arranged on the frame and drives the crease following ring to rotate through a transmission device. According to the utility model, the conveying belt pipe deviation detection device with the identification capability, the following system and the feedback mechanism can quantify the torsion degree of the conveying belt pipe, is convenient for the accurate control of the pipe belt conveyor, and provides accurate data support for torsion correction of the conveying belt pipe.

Description

Off tracking detection device for conveying rubber belt pipe of pipe belt conveyor

Technical Field

The utility model relates to the technical field of pipe belt conveyor deviation detection, in particular to a pipe belt conveyor conveying belt pipe deviation detection device.

Background

The pipe belt conveyor is a device for conveying materials by adopting a plurality of carrier rollers to enclose a conveying belt into a pipe shape, has the characteristics of large material wrapping and conveying lifting angle, long continuous conveying distance, small occupied area and the like, and is high-efficiency and environment-friendly bulk material conveying equipment.

The deflection and torsion of the conveying belt of the pipe belt conveyor are the most frequently occurring faults, and when severe, the belt can turn over at the head or tail, kink, wipe the shell and the like, so that the belt is abnormally damaged or the equipment cannot operate. The conveyor belt of the tubular belt conveyor is circular in shape, and torsion of the conveyor belt in the circumferential direction occurs during the sealing operation.

In the use process of the conventional circular tube belt conveyor, the phenomenon that the coiled tube conveyor belt rotates and deviates in a tubular running area occurs frequently, namely, the lifting joint part of the conveyor belt is slowly rotated to the lower part of the circular tube, so that materials are scattered when the conveyor belt is unfolded at a discharging part. If the phenomenon of deviation of the conveying belt is checked by adopting a manual visual inspection mode to stop and repair, the method is backward, manpower is wasted, when the conveying distance is large, the phenomenon of deviation is not found timely due to negligence of manpower, materials are scattered, the continuity of material conveying is reduced, and meanwhile, the efficiency of material conveying is reduced.

In the prior art, a computer vision technology is also adopted to identify the picture characteristics of the lap joint position of the adhesive tape, a detection identification area is manually arranged on the side edge of the adhesive tape, and when the lap joint position and the detection identification area have an intersection point, the adhesive tape pipe is judged. This method is to put the characteristic image of the lap position in a range, and cannot detect the amount of torsion.

There are also image features that use computer vision techniques to identify the entire picture. A laser light source is arranged above the lap joint position of the adhesive tape, the adhesive tape is transversely irradiated on the adhesive tape, and a laser line appears on the adhesive tape, so that an uneven laser line image appears because the lap joint position of the adhesive tape is uneven. If the tape is fed with a tape tube, the uneven laser line image gradually moves out of the video image area, instead of a smooth laser line. If a smooth laser line appears, it is determined to be distorted.

The patent publication No. CN204223727U discloses a conveyer belt deviation monitoring device of a circular pipe belt conveyer, which adopts the technical scheme to carry out the detection of the distortion, the scheme also enables the characteristic image of the lap joint position to be in a range, and the final purpose is to send an alarm after the lap joint position is twisted to a set condition, remind a worker to carry out the treatment, and carry out the alarm treatment only when reaching a characteristic picture, and the detection of the torsion quantity of a follow-up conveyer belt pipe cannot be realized.

Disclosure of utility model

The utility model provides a device for detecting the deviation of a conveying belt pipe of a pipe belt conveyor, which aims to solve the technical problem that the conveying belt pipe of the pipe belt conveyor is detected by the computer vision technology in the prior art. The following technical scheme is adopted:

The utility model provides a pipe belt conveyor carries sticky tape pipe off tracking detection device, includes offset follower assembly, vision camera assembly and based on the torsional capacity automated inspection control subassembly of chip, offset follower assembly sets up crease follower ring and driver, the rotatable setting of crease follower ring is in the frame of pipe belt conveyor to encircle the periphery of the sticky tape pipe of waiting to detect pipe belt conveyor, the driver sets up in the frame, and drive the crease follower ring through transmission and rotate, vision camera assembly sets up on the crease follower ring, and under the initial condition, the crease of sticky tape pipe is located the center that vision camera assembly shot the detection picture, and vision camera assembly detects the deflection direction of the crease of transporting the sticky tape pipe in the operation to with torsional capacity automated inspection control subassembly communication connection, torsional capacity automated inspection control subassembly and driver communication connection, according to the crease deflection direction testing result of vision camera assembly, the execution action of control driver.

By adopting the technical scheme, in the initial state, the crease of the conveying adhesive tape pipe is positioned at the center of a shot picture by the detection head of the vision camera component, when the pipe belt conveyor runs, once the conveying adhesive tape pipe is deviated, the crease is inevitably deviated, the deviation can be anticlockwise or clockwise, the deviation direction can be obtained by detecting the shot picture by the vision camera component, and when the automatic detection device is concretely implemented, the vision camera component can be a vision camera, a laser sensor, a laser radar and the like, only the deviation occurrence direction of the crease can be detected, the vision camera component and the automatic detection control component of the torsion quantity are communicated and transmit the detection result, the automatic detection control component of the torsion quantity controls the action of a driver according to the deviation direction, the driver drives the crease follower to rotate, so that the crease is positioned at the center of the shot picture of the vision camera component again, the automatic detection control component of the torsion quantity reads the action data of the driver, the deviation quantity of the crease can be calculated simply, the deviation quantity is the torsion quantity of the conveying adhesive tape pipe, the automatic detection control component of the torsion quantity can output the torsion quantity, a worker can automatically adjust the pipe belt conveyor according to the torsion quantity, and the automatic detection control component can be connected to the automatic correction device of the pipe belt conveyor;

The conveying belt pipe deviation detection device with the identification capability, the following system and the feedback mechanism can quantify the state of the conveying belt pipe and the torsion degree of the conveying belt pipe, is convenient for the accurate control of the pipe belt conveyor, and provides accurate data support for correction of torsion of the conveying belt pipe.

Optionally, the skew is followed the subassembly and is followed circle, driver, a plurality of supporting wheel, track circle and drive wheel including the crease, and a plurality of supporting wheels are installed respectively through the pivot in the frame of piping band conveyer to be located the periphery of conveying sticky tape pipe, track circle fixed mounting is followed the circle in the crease one side, and the inboard of clamping at a plurality of supporting wheels, the crease is followed the circle and is installed on the track circle, and follows the track circle and rotate, the casing of driver is installed in the frame, and the power take off shaft of driver passes through drive wheel drive track circle and rotates around conveying sticky tape pipe, visual camera subassembly installs on the crease is followed the circle.

Through adopting above-mentioned technical scheme, the skew is followed the subassembly and is realized based on one and encircle at the peripheral rotatable crease of conveying sticky tape pipe and follow the circle, the rotation power that the circle was followed to the crease comes from the driver, the driver can be the motor, through the drive of driver, can make the crease follow the circle and be located the interior track rotation that a plurality of supporting wheels constitute, provide the installation carrier of follow-up for the vision camera subassembly, combine the automatic control of torsion automatic detection control assembly to realize the shooting of the follow-up of vision camera subassembly, in practical application because follow-up type shooting camera's vision detects the conventional algorithm that belongs to the vision detection field, adopt current image detection algorithm just can realize, consequently, do not involve the improvement of algorithm.

Optionally, the vision camera subassembly includes installation piece and vision camera, the installation piece is equipped with shoots the mounting groove, and fixed mounting is followed on the crease to one side of installation piece can be dismantled, the vision camera is installed on shooing the mounting groove, and the detection head of vision camera is just to the crease.

Through adopting above-mentioned technical scheme, adopt the vision camera as the main part that detects the shooting crease, the vision camera can be the detection element that arbitrary can realize detecting crease offset direction such as vision camera subassembly, laser sensor, laser radar.

Optionally, the vision camera assembly further comprises a laser light source mounted on a side wall of the vision camera and oriented in line with a detection head of the vision camera.

By adopting the technical scheme, the laser light source irradiates to form a crease with more obvious and clear contrast at the joint of the conveying adhesive tape pipe, and the subsequent shot picture is more convenient for analysis and processing.

Optionally, the supporting wheel is a V-shaped pulley, the crease following ring is a gear ring, the driving wheel is a gear, and the driving wheel is rotatably arranged on the frame through a rotating shaft and is meshed with the crease following ring.

Through adopting above-mentioned technical scheme, adopt gear ring structure to carry out the transmission, transmission precision is higher, and the torsion volume of follow-up output is more accurate.

Optionally, the driver is driving motor, and torsion automatic detection control assembly includes main control chip and motor driver, vision analysis chip and vision camera communication connection, main control chip and vision camera's vision analysis chip communication connection to with motor driver communication connection, the executive action of control driver through motor driver.

Through adopting above-mentioned technical scheme, the driver preferably adopts driving motor, more specifically can be step motor or servo motor, the visual analysis chip of visual camera can be in real time according to the picture that built-in visual analysis algorithm analysis visual camera took, realize the quick judgement of crease offset direction, through the action of driver, make the crease lie in the shooting picture very center of visual camera again, the main control chip reads the action data of driver, the offset of crease just can be calculated to the size that combines crease follower and drive wheel again, this offset just represents the torsion quantity of conveying sticky tape pipe, main control chip output this torsion quantity can.

Optionally, the torsion automatic detection control assembly further comprises a memory and a display, and the memory and the display are respectively in communication connection with the main control chip.

In summary, the present utility model includes at least one of the following beneficial technical effects:

The utility model can provide the conveying belt pipe deviation detecting device of the pipe belt conveyor, and the conveying belt pipe deviation detecting device with the identifying capability, the following system and the feedback mechanism can quantify the torsion degree of the conveying belt pipe, is convenient for the pipe belt conveyor to accurately control, and provides accurate data support for torsion correction of the conveying belt pipe.

Drawings

FIG. 1 is a schematic perspective view of a device for detecting the deviation of a conveying belt pipe of a pipe belt conveyor;

FIG. 2 is a schematic diagram of a device for detecting the deviation of a conveying belt pipe of a pipe belt conveyor;

FIG. 3 is a schematic view of the partial enlarged structure of the area A of FIG. 1;

FIG. 4 is a schematic diagram of the electrical device connection principle of a device for detecting the deviation of a conveyor belt tube of a tube belt conveyor;

Fig. 5 is a schematic diagram of a crease shooting picture of a visual camera of the device for detecting the deviation of a conveying belt pipe of the pipe belt conveyor.

Reference numerals illustrate: 11. crease trace ring; 12. a driver; 13. a support wheel; 14. a track ring; 15. a driving wheel; 2. a vision camera assembly; 21. a vision camera; 22. a laser light source; 3. the torsion amount automatic detection control component; 31. a main control chip; 32. a visual analysis chip; 33. a motor driver; 34. a memory; 35. a display; 100. a frame; 101. a tape conveying pipe; 102. crease lines.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a device for detecting the deviation of a conveying belt pipe of a pipe belt conveyor.

Referring to fig. 1-5, a device for detecting deviation of a conveying belt pipe of a pipe belt conveyor comprises a deviation following component, a vision camera component 2 and a chip-based automatic detection control component 3 for detecting the torsion amount, wherein the deviation following component is provided with a crease following ring 11 and a driver 12, the crease following ring 11 is rotatably arranged on a frame 100 of the pipe belt conveyor and surrounds the periphery of a conveying belt pipe 101 of the pipe belt conveyor to be detected, the driver 12 is arranged on the frame 100 and drives the crease following ring 11 to rotate through a transmission device, the vision camera component 2 is arranged on the crease following ring 11, in an initial state, a crease 102 of the conveying belt pipe 101 is positioned in the center of a detection picture shot by the vision camera component 2, the vision camera component 2 detects the deflection direction of the crease 102 of the conveying belt pipe 101 in operation and is in communication connection with the automatic detection control component 3 for detecting the torsion amount, the automatic detection control component 3 is in communication connection with the driver 12, and the execution action of the driver 12 is controlled according to the detection result of the deflection direction of the crease 102 of the vision camera component 2.

In the initial state, the crease 102 of the conveying adhesive tape pipe 101 is positioned at the right center of a shot picture detected by the detection head of the vision camera component 2, when the pipe belt conveyor runs, once the conveying adhesive tape pipe 101 is deflected, the crease 102 is inevitably deflected, the deflection can be anticlockwise or clockwise, the deflection direction can be obtained by detecting the shot picture by the vision camera component 2, and when the method is implemented, the vision camera component 2 can be a vision camera, a laser sensor, a laser radar and the like, only the direction of the deflection of the crease 102 can be detected, the vision camera component 2 and the torsion automatic detection control component 3 communicate and transmit the detection result, the torsion automatic detection control component 3 controls the action of the driver 12 according to the deflection direction, the driver 12 drives the crease follower 11 to rotate, so that the crease 102 is positioned at the right center of the shot picture of the vision camera component 2 again, and finally the torsion automatic detection control component 3 reads the action data of the driver 12, the deflection quantity of the crease 102 can be calculated simply, the deflection quantity is the torsion quantity representing the torsion of the conveying adhesive tape pipe 101, the torsion automatic detection control component 3 outputs the torsion quantity, and a working personnel can carry out adjustment to the pipe belt conveyor according to the torsion automatic detection control component, and the automatic correction machine can be connected to the pipe belt conveyor;

By the conveying belt pipe deviation detection device with the identification capability, the following system and the feedback mechanism, the state of the conveying belt pipe and the torsion degree of the conveying belt pipe 101 can be quantified, the pipe belt conveyor can be controlled accurately, and accurate data support is provided for correcting torsion of the conveying belt pipe 101.

The offset following assembly comprises a crease following ring 11, a driver 12, a plurality of supporting wheels 13, a track ring 14 and a driving wheel 15, wherein the supporting wheels 13 are respectively arranged on a frame 100 of the pipe belt conveyor through rotating shafts and are positioned on the periphery of a conveying adhesive tape pipe 101, the track ring 14 is fixedly arranged on one side of the crease following ring 11 and is clamped on the inner side of the supporting wheels 13, the crease following ring 11 is arranged on the track ring 14 and rotates along with the track ring 14, a shell of the driver 12 is arranged on the frame 100, a power output shaft of the driver 12 drives the track ring 14 to rotate around the conveying adhesive tape pipe 101 through the driving wheel 15, and the vision camera assembly 2 is arranged on the crease following ring 11.

The offset following assembly is realized based on a rotatable crease following ring 11 encircling the periphery of the conveying adhesive tape pipe 101, the rotation power of the crease following ring 11 is derived from a driver 12, the driver 12 can be a motor, the crease following ring 11 can be positioned in an inner track formed by a plurality of supporting wheels 13 to rotate through the driving of the driver 12, a following type mounting carrier is provided for the vision camera assembly 2, the following type shooting of the vision camera assembly 2 is realized by combining the automatic control of the torsion automatic detection control assembly 3, and in practical application, the vision detection of the following type shooting camera can be realized by adopting the conventional algorithm in the field of vision detection and adopting the conventional image detection algorithm, so that the improvement of the algorithm is not involved.

The vision camera assembly 2 comprises a mounting block and a vision camera 21, wherein the mounting block is provided with a shooting mounting groove, one side of the mounting block is detachably and fixedly arranged on the crease following ring 11, the vision camera 21 is arranged on the shooting mounting groove, and a detection head of the vision camera 21 is opposite to the crease 102.

The vision camera 21 is used as a main component for detecting the photographing crease 102, and the vision camera 21 may be any detection element that can detect the direction of the crease 102 offset, such as a vision camera assembly, a laser sensor, a laser radar, and the like.

The vision camera assembly 2 further includes a laser light source 22, the laser light source 22 being mounted on a side wall of the vision camera 21 and oriented in line with the detection head of the vision camera 21.

The laser source 22 irradiates to form a crease 102 with more obvious and clear contrast at the joint of the adhesive tape conveying pipe 101, and the subsequent shooting picture is more convenient for analysis and processing.

The supporting wheel 13 is a V-shaped pulley, the crease follower ring 11 is a gear ring, the driving wheel 15 is a gear, and the driving wheel 15 is rotatably mounted on the frame 100 through a rotating shaft and is meshed with the crease follower ring 11.

The gear and gear ring structure is adopted for transmission, the transmission precision is higher, and the torsion quantity of subsequent output is more accurate.

The driver 12 is a driving motor, the torsion automatic detection control assembly 3 comprises a main control chip 31 and a motor driver 33, the vision analysis chip 32 is in communication connection with the vision camera 21, the main control chip 31 is in communication connection with the vision analysis chip 32 of the vision camera 21 and is in communication connection with the motor driver 33, and the executing action of the driver 12 is controlled through the motor driver 33.

The driver 12 preferably adopts a driving motor, more specifically may be a stepping motor or a servo motor, the vision analysis chip 32 of the vision camera 21 can analyze the picture shot by the vision camera 21 according to a built-in vision analysis algorithm in real time, so as to realize quick judgment of the offset direction of the crease 102, the crease 102 is located at the right center of the shot picture of the vision camera 21 again through the action of the driver 12, the main control chip 31 reads the action data of the driver 12, and then the offset of the crease 102 can be calculated by combining the sizes of the crease follower ring 11 and the driving wheel 15, the offset represents the torsion of the conveying adhesive tape pipe 101, and the main control chip 31 outputs the torsion.

The torsion automatic detection control assembly 3 further comprises a memory 34 and a display 35, and the memory 34 and the display 35 are respectively in communication connection with the main control chip 31.

The utility model relates to a device for detecting the deviation of a conveying adhesive tape pipe of a pipe belt conveyor, which comprises the following concrete implementation principles:

When the pipe belt conveyor works normally, the vision camera 21 is aligned to the crease 102, the image detection algorithm detects the crease A position, and the main control chip 31 controls the driver 12 to act through the motor driver 33, so that the crease A is positioned in the shooting center of the vision camera 21; when the conveying belt pipe 101 of the pipe belt conveyor is twisted, the crease 102 deviates from the shooting center of the vision camera 21;

The visual analysis chip 32 detects whether the direction in which the fold 102 is offset is clockwise or counterclockwise based on the image detection algorithm, and transmits the result to the main control chip 31;

The main control chip 31 controls the driver 12 to act through the motor driver 33 again, the driving shaft of the driver 12 rotates according to the offset direction, and the crease following ring 11 is driven to rotate through the driving wheel 15, so that the vision camera 21 synchronously rotates;

When the vision analysis chip 32 detects that the crease 102 is in the shooting center of the vision camera 21 again based on the image detection algorithm, the main control chip 31 controls the driver 12 to stop through the motor driver 33;

The main control chip 31 reads the encoder data on the driver 12 through the motor driver 33, and calculates the torsion of the adhesive tape conveying pipe 101 according to the rotation amount of the driver 12 and the sizes of the driving wheel 15 and the crease follower ring 11.

Specifically calculating the torsion amount requires knowing that the encoder angle of the encoder data on the initial state driver 12 is a1, the encoder angle after the following adjustment is a2, the diameter of the crease following ring 11 is S1, the diameter of the driving wheel 15 is S2, the reduction ratio is R, r=s1/S2, and the torsion amount can be obtained by performing reduction ratio conversion in a simple mechanical fieldThe torsion amount can be automatically calculated without the improvement of an algorithm.

The above embodiments are not intended to limit the scope of the present utility model, and therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (7)

1. The utility model provides a pipe belt conveyor conveying sticky tape pipe off tracking detection device which characterized in that: including skew follower assembly, vision camera subassembly (2) and based on chip torsion volume automated inspection control subassembly (3), skew follower assembly sets up crease follower (11) and driver (12), crease follower (11) rotatable setting is on frame (100) of piping band conveyer to encircle the periphery of carrying sticky tape pipe (101) at waiting to detect piping band conveyer, driver (12) setting is on frame (100) and drive crease follower (11) through transmission and rotate, vision camera subassembly (2) set up on crease follower (11), and under the initial condition, crease (102) of carrying sticky tape pipe (101) are located vision camera subassembly (2) and shoot the center of detecting the picture, and vision camera subassembly (2) detects the deflection direction of crease (102) of carrying sticky tape pipe (101) in operation to with torsion volume automated inspection control subassembly (3) communication connection, torsion volume automated inspection control subassembly (3) and driver (12) communication connection, according to the detection of deflection direction of crease (102) of vision camera subassembly (2), the execution action of driver (12) result.

2. The device for detecting the deviation of a conveyor belt tube of a tube belt conveyor according to claim 1, wherein: the offset following assembly comprises a crease following ring (11), a driver (12), a plurality of supporting wheels (13), a track ring (14) and a driving wheel (15), wherein the supporting wheels (13) are respectively arranged on a frame (100) of the pipe belt conveyor through rotating shafts and are located on the periphery of a conveying adhesive tape pipe (101), the track ring (14) is fixedly arranged on one side of the crease following ring (11) and is clamped on the inner side of the supporting wheels (13), the crease following ring (11) is arranged on the track ring (14) and rotates along with the track ring (14), a shell of the driver (12) is arranged on a frame (100), a power output shaft of the driver (12) drives the track ring (14) to rotate around the conveying adhesive tape pipe (101) through the driving wheel (15), and the vision camera assembly (2) is arranged on the crease following ring (11).

3. The device for detecting the deviation of the conveying belt pipe of the pipe belt conveyor according to claim 2, wherein: the visual camera assembly (2) comprises a mounting block and a visual camera (21), wherein the mounting block is provided with a shooting mounting groove, one side of the mounting block is detachably and fixedly arranged on the crease following ring (11), the visual camera (21) is arranged on the shooting mounting groove, and a detection head of the visual camera (21) is opposite to the crease (102).

4. A tube and belt conveyor belt tube deviation detection apparatus as claimed in claim 3 wherein: the vision camera assembly (2) further comprises a laser light source (22), wherein the laser light source (22) is arranged on the side wall of the vision camera (21) and is consistent with the detection head of the vision camera (21).

5. The device for detecting the deviation of a conveyor belt tube of a tube belt conveyor according to claim 4, wherein: the supporting wheel (13) is a V-shaped pulley, the crease following ring (11) is a gear ring, the driving wheel (15) is a gear, and the driving wheel (15) is rotatably arranged on the frame (100) through a rotating shaft and is meshed with the crease following ring (11).

6. The device for detecting the deviation of a conveyor belt tube of a tube belt conveyor according to claim 5, wherein: the driver (12) is a driving motor, the torsion automatic detection control assembly (3) comprises a main control chip (31) and a motor driver (33), the vision analysis chip (32) is in communication connection with the vision camera (21), the main control chip (31) is in communication connection with the vision analysis chip (32) of the vision camera (21) and is in communication connection with the motor driver (33), and the execution action of the driver (12) is controlled through the motor driver (33).

7. The device for detecting the deviation of a conveyor belt tube of a tube belt conveyor according to claim 6, wherein: the torsion automatic detection control assembly (3) further comprises a memory (34) and a display (35), and the memory (34) and the display (35) are respectively in communication connection with the main control chip (31).